STMicroelectronics

L79L06ABZ

L79L06ABZ Description

The L79L06ABZ is a linear voltage regulator designed by STMicroelectronics, offering a fixed -6V output voltage with a maximum output current of 100mA. This regulator is housed in a TO92-3 package and is designed for through-hole mounting, making it suitable for a variety of applications requiring a stable negative voltage supply. Despite being marked as obsolete, the L79L06ABZ remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

L79L06ABZ Features

• Output Type: Fixed -6V, ensuring a stable and consistent voltage supply.
• Output Current: Capable of delivering up to 100mA, suitable for low to medium current applications.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Negative output voltage, ideal for applications requiring a negative supply rail.
• Supply Current (Max): Low supply current of 6mA maximizes efficiency and minimizes power consumption.
• Quiescent Current (Iq): 5.5mA quiescent current ensures minimal power draw during idle operation.
• Power Supply Rejection Ratio (PSRR): 46dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Protection Features: Over-temperature and short-circuit protection safeguard the regulator and connected circuits from damage.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours), suitable for standard manufacturing processes.
• Mounting Type: Through-hole mounting provides robust mechanical stability and ease of integration into PCB designs.

L79L06ABZ Applications

The L79L06ABZ is well-suited for a range of applications requiring a stable -6V supply. Its low quiescent current and high PSRR make it ideal for precision analog circuits, where noise and power consumption are critical factors. The regulator's over-temperature and short-circuit protection features enhance its reliability in demanding environments.

Specific use cases include:

• Analog Signal Processing: Providing a stable negative supply for op-amps and other analog components.
• Audio Equipment: Ensuring low noise and stable power for sensitive audio circuits.
• Medical Devices: Reliable power supply for critical components in medical instrumentation.
• Industrial Control Systems: Stable and protected power supply for control and monitoring circuits.

Conclusion of L79L06ABZ

Despite its obsolete status, the L79L06ABZ remains a valuable component for applications requiring a stable -6V supply. Its low quiescent current, high PSRR, and robust protection features make it a reliable choice for precision analog circuits and sensitive applications. The through-hole mounting and single regulator design simplify integration into existing systems. For designers and engineers working with legacy systems or specific applications where these features are essential, the L79L06ABZ continues to offer a dependable and efficient solution.